3715805 - TAX/VAT Duplicate Check Not Working in 'Manage Business Partner'(F3163) app after S/4HANA Public Cloud 2602 Upgrade

After upgrading to SAP S/4HANA Cloud Public Edition 2602 (by SAP SE), the duplicate TAX/VAT number validation is not functioning in the 'Manage Business Partner' (F3163) app, allowing creation of multiple Business Partners with the same TAX/VAT number.

SAP S/4HANA Cloud Public Edition

Program error.

The issue is currently under correction, until a fix is delivered create Business Partners using the 'Maintain Business Partner'(BP) app where the TAX/VAT duplication check is functioning correctly and prevents duplicate VAT number creation. 

For more information see the below SAP Help Portal documentation:

• Manage Business Partner Master Data app documentation.
• Maintain Business Partner app documentation.

CE 2602, Manage Business Partner, Maintain Business Partner, Tax Number, Duplicate Check, TAX, VAT , KBA , CRM-BF-TAX , Tax Determination , Known Error